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Article Dans Une Revue Physics Letters B Année : 2005

A new method for the determination of the real part of the hadron elastic scattering amplitude at small angles and high energies

Résumé

A new method for the determination of the real part of the elastic scattering amplitude is examined for high energy proton-proton elastic scattering at small momentum transfer. This method allows us to decrease the number of model assumptions, to obtain the real part in a narrow region of momentum transfer and to test different models. The real part is computed at a given point t_min near t=0 from the known Coulomb amplitude. One obtains therefore an important constraint on the rho-parameter measuring the ratio of the real to imaginary part of the scattering amplitude at t=0.

Dates et versions

in2p3-00022259 , version 1 (20-09-2004)

Identifiants

Citer

B. Nicolescu, P. Gauron, O.V. Selyugin. A new method for the determination of the real part of the hadron elastic scattering amplitude at small angles and high energies. Physics Letters B, 2005, 629, pp.83-92. ⟨10.1016/j.physletb.2005.09.019⟩. ⟨in2p3-00022259⟩
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